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ventilation

Definition
Respiratory cycle The constant alternation between inspiration and expiration
Tidal volume (TV) The volume of air exhaled normally after a typical inspiration i
Expiratory reserve volume (ERV). The largest additional volume of air that one can forcibly expire after expiring tidal air
Inspiratory reserve volume (IRV) The amount of air that can be forcibly in-spired over and above a normal inspiration
Residual volume (RV) This amount of air that cannot be forcibly expired
vital capacity (VC) is the sum of: Inspiratory reserve volume (IRV), Tidal volume (TV), and Expiratory reserve volume (ERV).
Pneumothorax Air in the thoracic cavity
Apnea Temporary cessation of breathing at the end of a normal expiration.
Dyspnea Refers to labored or difficult breathing a
Asthma an obstructive lung disorder characterized by recurring inflammation of mucous membranes and spasms of the smooth muscles in the walls of the bronchial air passages.
Hyperventilation is characterized by an increase in pulmonary ventilation in excess of the need for oxygen
Hypoventilation a decrease in pulmonary ventilation that results in elevated blood levels of carbon dioxide.
Spirometer used to measure the volume of air exchanged in breathing
Elastic recoil The tendency of the thorax and lungs to return to their preinspiration volume is a physical phenomenon
Created by: Jules0
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